计算,能简算的要简算. 38.67+68.23+45.8 98.2-37.18-10.82 56.23+31.07-54.1 32.6+58.04+
计算,能简算的要简算.38.67+68.23+45.898.2-37.18-10.8256.23+31.07-54.132.6+58.04+61.96100-(28.4+...
计算,能简算的要简算. 38.67+68.23+45.8 98.2-37.18-10.82 56.23+31.07-54.1 32.6+58.04+61.96 100-(28.4+32.05) 98.67-(23.67+21.4)
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(1)38.67+68.23+45.8
=106.9-45.8
=61.1;
(2)98.2-37.18-10.82
=98.2-(37.18+10.82)
=98.2-48
=50.2;
(3)56.23+31.07-54.1
=87.3-54.1
=33.2;
(4)32.6+58.04+61.96
=32.6+(58.04+61.96)
=32.6+120
=152.6;
(5)100-(28.4+32.05)
=100-60.45
=39.55;
(6)98.67-(23.67+21.4)
=98.67-23.67-21.4
=75-21.4
=53.6.
=106.9-45.8
=61.1;
(2)98.2-37.18-10.82
=98.2-(37.18+10.82)
=98.2-48
=50.2;
(3)56.23+31.07-54.1
=87.3-54.1
=33.2;
(4)32.6+58.04+61.96
=32.6+(58.04+61.96)
=32.6+120
=152.6;
(5)100-(28.4+32.05)
=100-60.45
=39.55;
(6)98.67-(23.67+21.4)
=98.67-23.67-21.4
=75-21.4
=53.6.
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