既对又快,口算热身。
37+19= | 1.3-0.5= | 0÷54= | 0.07×10= |
9.8+0.02= | 4.2÷100= | 4.6+2.7= | 2-0.2= |
【答案】56,0.8,0,0.7,9.82,0.042,7.3,1.8。
【解答】
【点评】
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发布:2024/8/5 8:0:8组卷:8引用:3难度:0.9
37+19= | 1.3-0.5= | 0÷54= | 0.07×10= |
9.8+0.02= | 4.2÷100= | 4.6+2.7= | 2-0.2= |