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$90.6 + 17.9 =$
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$34.4 - 1.4 =$
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$5.36 + 2.74 =$
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$6.82 - 6.2 =$
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$8.5 + 52.5 =$
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$0.8 + 4.2 =$
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$9.1 - 0.9 =$
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$2.7 + 7.3 =$
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$1.3 + 8.7 =$
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$2 - 0.4 =$
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$0.76 + 0.24 =$
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$3.62 + 50.38 =$
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$45.21 - 40.79 =$
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$45.18 + 4.82 =$
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$5.32 - 4.68 =$
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$4.75 + 5.25 =$
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$1.45 + 8.55 =$
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$9.38 - 0.62 =$
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$24.3 + 7.02 =$
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$9.26 + 0.74 =$
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$0.69 + 0.38 =$
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$7.83 + 1.5 + 2.17 =$
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$3.21 + 4.8 + 6.79 =$
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$4.9 - 3.9 - 0.8 =$
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$5.26 - 1.3 - 0.7 =$
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$1.57 - (0.57 + 0.3) =$
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$8.3 - (5 + 1.3) =$
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$3.02 + 0.7 + 6.98 =$
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$35.8 + 20 + 4.2 =$
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$50 + 20.3 + 29.7 =$
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$10 - 5.18 - 4.82 =$
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$35 + 0.02 + 0.98 =$
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$6.36 - 4.1 - 0.36 =$
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$5.4 + 6.9 + 4.6 + 3.1 =$
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$45 + 1.3 + 0.55 + 1.7 =$
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$6 - 0.14 + 0.86 =$
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$5 - 3.3 - 0.7 =$
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$6.7 - 3.7 + 2 =$
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$15.3 - 2.2 - 7.8 =$
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$9.9 - 1.6 - 7.9 =$
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$8.81 + 5.2 + 0.19 =$
答案
$0.36 + 27.6 + 0.64 =$
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